FI850856A0 - Videosignalprocessor med automatisk begraensningsanordning foer ett bildroers straolstroem. - Google Patents

Videosignalprocessor med automatisk begraensningsanordning foer ett bildroers straolstroem.

Info

Publication number
FI850856A0
FI850856A0 FI850856A FI850856A FI850856A0 FI 850856 A0 FI850856 A0 FI 850856A0 FI 850856 A FI850856 A FI 850856A FI 850856 A FI850856 A FI 850856A FI 850856 A0 FI850856 A0 FI 850856A0
Authority
FI
Finland
Prior art keywords
videosignalprocessor
straolstroem
bildroers
begraensningsanordning
automatisk
Prior art date
Application number
FI850856A
Other languages
English (en)
Other versions
FI79434B (fi
FI850856L (fi
FI79434C (fi
Inventor
Donald Henry Willis
Original Assignee
Rca Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rca Corp filed Critical Rca Corp
Publication of FI850856A0 publication Critical patent/FI850856A0/fi
Publication of FI850856L publication Critical patent/FI850856L/fi
Publication of FI79434B publication Critical patent/FI79434B/fi
Application granted granted Critical
Publication of FI79434C publication Critical patent/FI79434C/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • H04N5/59—Control of contrast or brightness in dependence upon beam current of cathode ray tube
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/645—Beam current control means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Facsimile Scanning Arrangements (AREA)
FI850856A 1984-03-08 1985-03-01 Videosignalbehandlingssystem. FI79434C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/587,583 US4633320A (en) 1984-03-08 1984-03-08 Video signal processor with automatic kinescope beam current limiter
US58758384 1984-03-08

Publications (4)

Publication Number Publication Date
FI850856A0 true FI850856A0 (fi) 1985-03-01
FI850856L FI850856L (fi) 1985-09-09
FI79434B FI79434B (fi) 1989-08-31
FI79434C FI79434C (fi) 1989-12-11

Family

ID=24350379

Family Applications (1)

Application Number Title Priority Date Filing Date
FI850856A FI79434C (fi) 1984-03-08 1985-03-01 Videosignalbehandlingssystem.

Country Status (14)

Country Link
US (1) US4633320A (fi)
JP (1) JPS60206384A (fi)
KR (1) KR930004803B1 (fi)
AT (1) AT395086B (fi)
AU (1) AU583492B2 (fi)
CA (1) CA1228159A (fi)
DE (1) DE3508168A1 (fi)
ES (1) ES8603135A1 (fi)
FI (1) FI79434C (fi)
FR (1) FR2561051B1 (fi)
GB (1) GB2155739B (fi)
HK (1) HK24093A (fi)
IT (1) IT1183466B (fi)
SE (1) SE454832B (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8502636A (nl) * 1985-03-06 1986-10-01 Philips Nv Beeldweergeefinrichting.
NL8502637A (nl) * 1985-03-06 1986-10-01 Philips Nv Beeldweergeefinrichting.
US4799107A (en) * 1987-04-06 1989-01-17 Rca Licensing Corporation Auxiliary gain control apparatus for a television receiver
FR2640839B1 (fr) * 1988-12-20 1991-03-15 Portenseigne Radiotechnique Appareil de reproduction d'image video muni d'un reglage de contraste, et procede de reglage du contraste d'un tel appareil de reproduction
GB9006250D0 (en) * 1990-03-20 1990-05-16 Rca Licensing Corp Non-linear beam current limiter
US5313294A (en) * 1990-03-20 1994-05-17 Rca Thomson Licensing Corporation Beam current limiting arrangement having a peak amplitude, responsive threshold
US5200829A (en) * 1991-12-16 1993-04-06 Thomson Consumer Electronics, Inc. Contrast beam current limiting arrangement with secondary brightness beam current limiting provisions
JP3267061B2 (ja) * 1994-08-29 2002-03-18 松下電器産業株式会社 Ａｂｌ回路とａｃｌ回路と輝度・色差信号処理回路とテレビジョン受像機
DE19709681A1 (de) 1997-03-11 1998-09-17 Thomson Brandt Gmbh Schaltung zur Überwachung des Strahlstroms in einer Farbildröhre
US7236203B1 (en) 2004-04-22 2007-06-26 National Semiconductor Corporation Video circuitry for controlling signal gain and reference black level
US7277135B1 (en) * 2004-07-23 2007-10-02 National Semiconductor Corporation Video display signal brightness control circuit

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4137552A (en) * 1977-05-05 1979-01-30 Rca Corporation Automatic beam current limiter with independently determined threshold level and dynamic control range
DE2750911A1 (de) * 1977-11-14 1979-05-17 Joerg Troeger Miederkorsage
US4167025A (en) * 1978-02-09 1979-09-04 Rca Corporation Automatic peak beam current limiter
US4207591A (en) * 1978-02-09 1980-06-10 Rca Corporation Gated automatic beam current limiter in a video signal processing system
US4253121A (en) * 1978-10-12 1981-02-24 Rca Corporation Plural sequential operating mode automatic kinescope beam current limiter
US4209808A (en) * 1979-03-26 1980-06-24 Rca Corporation Stabilized automatic brightness control network in a video signal processing system including an automatic kinescope beam current limiter
US4344021A (en) * 1980-07-21 1982-08-10 Rca Corporation System for compensating for transfer characteristic variations of electron guns
US4376288A (en) * 1981-08-27 1983-03-08 Rca Corporation Signal gain control with DC compensation
US4403253A (en) * 1981-12-28 1983-09-06 General Electric Company Uniform distribution video processor with controlled reference voltages
US4516152A (en) * 1983-05-23 1985-05-07 Rca Corporation Video signal processor with automatic kinescope white balance and beam current limiter control systems

Also Published As

Publication number Publication date
JPH0513432B2 (fi) 1993-02-22
FI79434B (fi) 1989-08-31
GB8505949D0 (en) 1985-04-11
FR2561051A1 (fr) 1985-09-13
DE3508168A1 (de) 1985-09-12
SE8501012L (sv) 1985-09-09
AU583492B2 (en) 1989-05-04
KR850006823A (ko) 1985-10-16
FI850856L (fi) 1985-09-09
IT8519752A0 (it) 1985-03-05
ES540833A0 (es) 1985-12-01
CA1228159A (en) 1987-10-13
KR930004803B1 (ko) 1993-06-08
ATA70385A (de) 1992-01-15
FR2561051B1 (fr) 1991-02-01
AU3908185A (en) 1985-09-12
FI79434C (fi) 1989-12-11
SE8501012D0 (sv) 1985-03-01
JPS60206384A (ja) 1985-10-17
DE3508168C2 (fi) 1988-01-28
GB2155739B (en) 1987-09-30
GB2155739A (en) 1985-09-25
US4633320A (en) 1986-12-30
AT395086B (de) 1992-09-10
SE454832B (sv) 1988-05-30
ES8603135A1 (es) 1985-12-01
HK24093A (en) 1993-03-26
IT1183466B (it) 1987-10-22

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: RCA LICENSING CORPORATION